BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
EWR→MIA

Newark, NJ (EWR) to Miami, FL (MIA) flight delay odds

75.1% of 3,985 official scheduled EWR-to-MIA flights arrived on time; 15.0% arrived at least 30 minutes late and 2.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
75.1%arrived on time
15.0%30+ min late
2.6%cancelled
3,985scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.6%all scheduled flights
120+ minutes late3.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+5.8 mincompleted flights

Which departure time was most reliable for EWR to MIA?

Among qualifying EWR-to-MIA departure window results, Early morning had the highest on-time rate: 86.6% of 1,347 flights. Evening was lowest at 65.3% across 1,005 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,34786.6%5.5%2.8%
Late morning57577.4%12.9%1.9%
Afternoon1,04968.4%19.9%2.0%
Evening1,00565.3%23.9%3.4%

Which weekday was most reliable for EWR to MIA?

Among qualifying EWR-to-MIA weekday results, Tuesday had the highest on-time rate: 81.6% of 571 flights. Sunday was lowest at 64.7% across 587 flights.

DayFlightsOn time30+ minCancelled
Monday57574.1%14.1%5.0%
Tuesday57181.6%10.0%2.6%
Wednesday55479.1%13.5%0.9%
Thursday58274.9%16.8%1.7%
Friday58376.7%13.9%0.9%
Saturday53374.9%15.8%1.9%
Sunday58764.7%21.0%5.3%

Which airline was most reliable for EWR to MIA?

Among qualifying EWR-to-MIA airline results, American Airlines had the highest on-time rate: 77.8% of 1,425 flights. Spirit Airlines was lowest at 57.5% across 308 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines2,25175.8%14.8%2.2%
American Airlines1,42577.8%13.0%2.9%
Spirit Airlines30857.5%26.3%4.5%
Envoy Air1100.0%0.0%0.0%

Which month was most reliable for EWR to MIA?

Among qualifying EWR-to-MIA month results, May 2026 had the highest on-time rate: 86.7% of 315 flights. July 2025 was lowest at 63.2% across 302 flights.

MonthFlightsOn time30+ minCancelled
July 202530263.2%24.8%5.3%
August 202530575.1%16.4%0.7%
September 202528377.4%15.9%0.4%
October 202530774.6%14.0%1.0%
November 202532769.1%18.3%4.9%
December 202539471.8%18.0%2.8%
January 202638274.6%13.4%5.8%
February 202635171.8%14.2%6.6%
March 202639673.5%17.2%2.5%
April 202635381.3%9.6%0.0%
May 202631586.7%7.6%0.3%
June 202627084.1%10.4%0.0%

What drove EWR to MIA delay minutes?

Late aircraft was the largest recorded EWR-to-MIA delay category, accounting for 38.7% of 66,729 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.9%
Late aircraft38.7%
National airspace29.5%
Weather7.7%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.